Robtex

Up: 80.19.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 80.19.0.0/20
Down right: 80.19.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.19.0.2	A	host2-0-static.19-80-b.business.telecomitalia.it
80.19.1.101	A	host101-1-static.19-80-b.business.telecomitalia.it
80.19.1.103	A	host103-1-static.19-80-b.business.telecomitalia.it
80.19.1.105	A	host105-1-static.19-80-b.business.telecomitalia.it
80.19.1.111	A	host111-1-static.19-80-b.business.telecomitalia.it
80.19.1.129	PTR	host129-1-static.19-80-b.business.telecomitalia.it
80.19.1.130	A	host130-1-static.19-80-b.business.telecomitalia.it
80.19.1.131	A	host131-1-static.19-80-b.business.telecomitalia.it
80.19.1.132	A	host132-1-static.19-80-b.business.telecomitalia.it
80.19.1.138	A	host138-1-static.19-80-b.business.telecomitalia.it
80.19.1.161	A	host161-1-static.19-80-b.business.telecomitalia.it
80.19.1.162	A	host162-1-static.19-80-b.business.telecomitalia.it
80.19.1.163	A	host163-1-static.19-80-b.business.telecomitalia.it
80.19.1.166	A	host166-1-static.19-80-b.business.telecomitalia.it
80.19.1.194	A	host194-1-static.19-80-b.business.telecomitalia.it
80.19.1.196	A	host196-1-static.19-80-b.business.telecomitalia.it
80.19.1.199	A	host199-1-static.19-80-b.business.telecomitalia.it
80.19.1.201	A	host201-1-static.19-80-b.business.telecomitalia.it
80.19.1.228	A	host228-1-static.19-80-b.business.telecomitalia.it
80.19.1.229	A	host229-1-static.19-80-b.business.telecomitalia.it
80.19.1.233	A	host233-1-static.19-80-b.business.telecomitalia.it
80.19.1.234	A	host234-1-static.19-80-b.business.telecomitalia.it
80.19.2.1	A+PTR	host1-2-static.19-80-b.business.telecomitalia.it
80.19.4.2	PTR	host2-4-static.19-80-b.business.telecomitalia.it
80.19.7.2	A	host2-7-static.19-80-b.business.telecomitalia.it
80.19.8.180	A	host180-8-static.19-80-b.business.telecomitalia.it
80.19.9.33	A	host33-9-static.19-80-b.business.telecomitalia.it
80.19.9.52	A	host52-9-static.19-80-b.business.telecomitalia.it
80.19.9.246	A	host246-9-static.19-80-b.business.telecomitalia.it
80.19.10.2	A	host2-10-static.19-80-b.business.telecomitalia.it
80.19.13.2	A	host2-13-static.19-80-b.business.telecomitalia.it
80.19.17.3	A+PTR	host3-17-static.19-80-b.business.telecomitalia.it
80.19.17.4	A+PTR	host4-17-static.19-80-b.business.telecomitalia.it
80.19.17.6	A	host6-17-static.19-80-b.business.telecomitalia.it
80.19.17.16	A	host16-17-static.19-80-b.business.telecomitalia.it
80.19.17.33	A+PTR	host33-17-static.19-80-b.business.telecomitalia.it
80.19.17.48	A	host48-17-static.19-80-b.business.telecomitalia.it
80.19.17.52	A	host52-17-static.19-80-b.business.telecomitalia.it
80.19.17.57	A	host57-17-static.19-80-b.business.telecomitalia.it
80.19.17.68	A	host68-17-static.19-80-b.business.telecomitalia.it
80.19.17.77	A	host77-17-static.19-80-b.business.telecomitalia.it
80.19.17.84	A	host84-17-static.19-80-b.business.telecomitalia.it
80.19.17.85	A	host85-17-static.19-80-b.business.telecomitalia.it
80.19.17.96	A+PTR	host96-17-static.19-80-b.business.telecomitalia.it
80.19.17.98	A+PTR	host98-17-static.19-80-b.business.telecomitalia.it
80.19.17.109	A	host109-17-static.19-80-b.business.telecomitalia.it
80.19.17.125	A	host125-17-static.19-80-b.business.telecomitalia.it
80.19.17.128	A+PTR	host128-17-static.19-80-b.business.telecomitalia.it
80.19.17.134	A	host134-17-static.19-80-b.business.telecomitalia.it
80.19.17.138	A	host138-17-static.19-80-b.business.telecomitalia.it
80.19.17.139	A	host139-17-static.19-80-b.business.telecomitalia.it
80.19.17.163	A+PTR	host163-17-static.19-80-b.business.telecomitalia.it
80.19.17.166	A	host166-17-static.19-80-b.business.telecomitalia.it
80.19.17.167	A	host167-17-static.19-80-b.business.telecomitalia.it
80.19.17.172	A	host172-17-static.19-80-b.business.telecomitalia.it
80.19.17.198	A	host198-17-static.19-80-b.business.telecomitalia.it
80.19.17.201	A	host201-17-static.19-80-b.business.telecomitalia.it
80.19.17.202	A	host202-17-static.19-80-b.business.telecomitalia.it
80.19.17.208	A	host208-17-static.19-80-b.business.telecomitalia.it
80.19.17.229	A	host229-17-static.19-80-b.business.telecomitalia.it
80.19.17.237	A	host237-17-static.19-80-b.business.telecomitalia.it
80.19.17.241	A	host241-17-static.19-80-b.business.telecomitalia.it
80.19.17.248	A	host248-17-static.19-80-b.business.telecomitalia.it
80.19.21.2	A+PTR	host2-21-static.19-80-b.business.telecomitalia.it
80.19.21.10	A	host10-21-static.19-80-b.business.telecomitalia.it
80.19.22.138	A	host138-22-static.19-80-b.business.telecomitalia.it
80.19.23.53	A	host53-23-static.19-80-b.business.telecomitalia.it
80.19.24.128	A	host128-24-static.19-80-b.business.telecomitalia.it
80.19.24.151	A	smtp02.gruppounieuro.com
80.19.24.152	A	smtp02.gruppounieuro.com
80.19.24.154	A	listanozze.unieuro.it
80.19.24.187	A	mx1.callandclick.net
80.19.24.187	A	host187-24-static.19-80-b.business.telecomitalia.it
80.19.24.187	A	mx1.callandclick.it
80.19.24.244	A	host244-24-static.19-80-b.business.telecomitalia.it
80.19.24.244	A	smtp1.camurri.it
80.19.26.2	A+PTR	host2-26-static.19-80-b.business.telecomitalia.it
80.19.27.146	A	host146-27-static.19-80-b.business.telecomitalia.it
80.19.28.98	PTR	host98-28-static.19-80-b.business.telecomitalia.it
80.19.28.98	A	webmail.teknafr.it
80.19.28.98	A	webmail.casadelbullone.it
80.19.28.140	A	host140-28-static.19-80-b.business.telecomitalia.it
80.19.28.163	PTR	host163-28-static.19-80-b.business.telecomitalia.it
80.19.28.163	A	mailserver.studiodeberardinis.it
80.19.28.190	A	host190-28-static.19-80-b.business.telecomitalia.it
80.19.28.224	A+PTR	host224-28-static.19-80-b.business.telecomitalia.it
80.19.30.75	A	sfrajone.org